Description
Sierra 18-70947 Molded Hose
Sierra replacement molded hose for Mercruiser Stern Drives.For: Thermostat housing to starboard manifold with 2 piece exhaust manifold
- Fits: 4.3L (Gen+) (1998-07) (S/N 0L619000 & UP), 4.3L EFI (Gen+) (2000-01), 4.3LH (Gen+) (2000-02)
Interchangeable with:
- Mallory
- 9-44069
- Mercruiser Stern Drive
- 32-862124
Special Order ItemCalifornia Residents: WARNINGCancer and Reproductive Harm – P65Warnings.ca.gov
![Whitecap C.P. Brass Sillcock 1-5/8″ Base 3-3/16 Depth[P-2452C]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/whitecap-c-p-brass-sillcock-1-5-8-base-3-3-16-depth-p-2452c.webp)
![GROCO 1-1/4″ Bronze Electric Flanged Seacock – 12V [FBVE-1250 12V]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/groco-1-1-4-bronze-electric-flanged-seacock-12v-fbve-1250-12v.webp)
![SmartPlug 50 Amp 50 Dual Configuration Cordset w/Marina Park Power End [C50504]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/smartplug-50-amp-50-dual-configuration-cordset-w-marina-park-power-end-c50504.webp)
![Ocean Signal RescueME EDF1 Electronic Distress Flare – 7 Mile Range[750S-01710]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/ocean-signal-rescueme-edf1-electronic-distress-flare-7-mile-range-750s-01710.webp)
![Scanpod Helm Pod System – White[SPH-SYSTEM-W]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/scanpod-helm-pod-system-white-sph-system-w.webp)
![Whitecap Teak Lumber – 1/2″ x 1-3/4″ x 72″[60813]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/whitecap-teak-lumber-1-2-x-1-3-4-x-72-60813.webp)
![Shadow-Caster Courtesy Light w/2′ Lead Wire – 316 SS Cover – Great White – 4-Pack[SCM-CL-GW-SS-4PACK]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/shadow-caster-courtesy-light-w-2-lead-wire-316-ss-cover-great-white-4-pack-scm-c.webp)